/***************************************************************************
 *   Copyright (C) 2009 by Bernhard Neuhofer   *
 *   mail@bneu.at   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#include "customerSource.h"
#include "CustomerArrival.h"
#include <math.h>



void CustomerSource::generate()
{
	/* Time between customers
	 Negative exponential Distribution*/

	double uniform=rand()/(double(RAND_MAX)+1);
	
	double ts;
	ts=(-1.0)* NEGEXP_DIST_LAMBDA*log(uniform)+getAssocLp()->getLvt()+MIN_GAP;
	
	CustomerArrival* newCust=new CustomerArrival(ts,getNeighbors()[0]);
	getAssocLp()->sendMessage(newCust);
}